Japan AE Power Systems Corporation- JAEPS (formerly Meidensha) has been manufacturing wide range of high quality vacuum interrupters for medium and high voltage switchgear applications since 1970's. Outstanding vacuum interrupter manufacturing techniques used by JAEPS result in the highest quality and the largest voltage range of vacuum interrupters available today. * Japan AE Power Systems Corporation is jointly owned by Hitachi Ltd., Fuji Electric Ltd. and Meidensha Corporation.

Main features:

High quality vacuum interrupter design

Long life

Simplified arc quenching method

Robust compact construction

No evacuation tube

Slim body design

High reliability

Major applications:

Vacuum interrupters for circuit breakers

Vacuum interrupters for switches

Vacuum interrupters for contactors

Vacuum interrupters rail circuit breakers

Vacuum interrupter for reclosers

Vacuum interrupters for capacitor bank switching

Specifications:

Voltage range : 3.3 kV to 72.5 kV

Current range: 200 A to 4000 A

Breaking current range : up to 50 kA

Impulse withstand voltage (BIL) : up to 325 kV

Replacements for well known brands available.

Vacuum interrupters for circuit breakers

Voltage (kV)

Breaking Current(kA)

Impulse Withstand Voltage

(kV)

Current

(A)

630A

1250A

2000A

3150A

7.2

20

60

Yes

20/25

Yes

Yes

Yes

31.5

Yes

40

Yes

12

20

75

Yes

25

Yes

Yes

40

Yes

15

25

95

Yes

Yes

40

Yes

50

Yes

24/27

25

125

Yes

Yes

40

Yes

36/38

25

170

Yes

72.5

25

325

Yes

31.5

Yes

Vacuum interrupters for switches and contactors

Voltage (kV)

Breaking Current (kA)

Impulse Withstand Voltage

(kV)

Number of Operating Cycles

Current

(A)

400A

630A

12

4

45

2.5 X 105

Yes

12

4

85

1 X 104

Yes

Yes

24

4

150

1 X 104

Yes

36

3

200

1 X 104

Yes

Vacuum interrupters for reclosers

Voltage (kV)

Breaking Current (kA)

Impulse Withstand Voltage

(kV)

Number of Operating Cycles

Current

(A)

400A

630A

12/15

12.5

110

1 X 104

Yes

24/27

12.5

125

1 X 104

Yes

36/38

12.5

150

1 X 104

Yes

Development of proprietary materials, innovative contact designs and new manufacturing techniques have enabled us to continuously reduce the size of vacuum interrupters to facilitate smaller and more efficient product designs.

Our vacuum interrupters are available in several designs and for multitude of switching applications.